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drm/amdgpu: add raven clock gating and light sleep for mmhub 

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Huang Rui 2017-02-08 17:07:59 +08:00 committed by Alex Deucher
parent bc099ee974
commit 2547a7aa3d
1 changed files with 32 additions and 18 deletions
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50
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
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@ -34,6 +34,9 @@
#include "soc15_common.h"
#define mmDAGB0_CNTL_MISC2_RV 0x008f
#define mmDAGB0_CNTL_MISC2_RV_BASE_IDX 0
u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev)
{
u64 base = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE));
@ -407,11 +410,15 @@ static int mmhub_v1_0_soft_reset(void *handle)
static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
bool enable)
{
uint32_t def, data, def1, data1, def2, data2;
uint32_t def, data, def1, data1, def2 = 0, data2 = 0;
def = data = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG));
def1 = data1 = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2));
def2 = data2 = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB1_CNTL_MISC2));
if (adev->asic_type != CHIP_RAVEN) {
def1 = data1 = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2));
def2 = data2 = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB1_CNTL_MISC2));
} else
def1 = data1 = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV));
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
data |= ATC_L2_MISC_CG__ENABLE_MASK;
@ -423,12 +430,13 @@ static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *ad
DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
if (adev->asic_type != CHIP_RAVEN)
data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
} else {
data &= ~ATC_L2_MISC_CG__ENABLE_MASK;
@ -439,21 +447,26 @@ static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *ad
DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
if (adev->asic_type != CHIP_RAVEN)
data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
}
if (def != data)
WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG), data);
if (def1 != data1)
WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2), data1);
if (def1 != data1) {
if (adev->asic_type != CHIP_RAVEN)
WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2), data1);
else
WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV), data1);
}
if (def2 != data2)
if (adev->asic_type != CHIP_RAVEN && def2 != data2)
WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB1_CNTL_MISC2), data2);
}
@ -516,6 +529,7 @@ static int mmhub_v1_0_set_clockgating_state(void *handle,
switch (adev->asic_type) {
case CHIP_VEGA10:
case CHIP_RAVEN:
mmhub_v1_0_update_medium_grain_clock_gating(adev,
state == AMD_CG_STATE_GATE ? true : false);
athub_update_medium_grain_clock_gating(adev,